It is the Wolo single seater, built from 1922 to 1923 by the Wolo-Fahrzeugwerk in Berlin. It was designed by the engineer Mr. Woick. It was advertised a small, cheap and light, but powerful vehicle, for which you didn't need a driver's licence, no licence plates, no medical test and no need to pay taxes. It featured a single-cylinder Bekamo engine of 129 cc displacement and 3.5 hp. It measured 2800 x 970 x 950 mm, weighed 70 kg and was supposed to reach 45-50 km/h. It was available as a roadster or the pictured coupe.